- Microstructure and Mechanical Properties of Nano-sized Ti-35%Nb-7%Zr-10%CPP Composite Fabricated by Pulse Current Activated Sintering
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Kee-Do Woo, Duck-Soo Kang, Sang-Hyuk Kim, Sang-Hoon Park, Ji-Young Kim, Hye-Rim Ko
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J Korean Powder Metall Inst. 2011;18(2):188-195.
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DOI: https://doi.org/10.4150/KPMI.2011.18.2.188
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- The aim of this study was to investigate microstructures and mechanical properties of nano-sized Ti-35 wt.%Nb-7 wt.%Zr-10 wt.%CPP composite fabricated by high energy mechanical milling (HEMM) and pulse current activated sintering (PCAS). Grain growth of the mechanically milled powder was prevented by performing PCAS. The principal advantages of calcium phosphate materials include: similarity in composition to the bone mineral, bioactivity, osteoconductivity and ability to form a uniquely strong interface with bone. The hardness and wear resistance property of nano-sized Ti-35 wt.%Nb-7 wt.%Zr-10 wt.%CPP composites increased with increasing milling time because of decreased grain-size of sintered composites.
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Citations to this article as recorded by  - Microstructure and Mechanical Properties of Ti-35Nb-7Zr-XCPP Biomaterials Fabricated by Rapid Sintering
기도 우, 상훈 박, 지영 김, 상미 김, 민호 이
Korean Journal of Materials Research.2012; 22(3): 150~154. CrossRef
- Preparation of Visible-light Responsive TiO2:Zr, N Photocatalysts by Polymer Complex Solution Method and Photo-degradation of NO
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Jae-Young Choi, Ji-Young Kim, Young-Hyuek Cho, Hee-Dong Jang, Han-Kwon Chang, Byoung-Gon Kim, Tae-Oh Kim
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J Korean Powder Metall Inst. 2008;15(1):13-17.
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DOI: https://doi.org/10.4150/KPMI.2008.15.1.013
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Abstract
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- Visible-light responsive TiO_2:Zr, N powders were prepared by polymer complex solution method and the particle properties were characterized by using transmission electron microscope, BET method, X-ray diffractometer and UV-Vis spectrophotometer. The photocatalytic reactivity of the catalysts was also estimated by analyzing NO degradation. Polyhedral TiO_2 powder having about 20 um in the average particle diameter was successfully prepared, The XRD analysis revealed that the as-prepared powder consisted of anatase and rutile phases. The light absorption of the as-prepared TiO_2:Zr, N powder was shifted to the visible light. In addition, the as-prepared TiO_2:Zr, N nanoparticles showed the higher photocatalytic activity than the commercial TiO_2 under both UV and visible lights.
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